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<A NAME="TI13"></A><A NAME="TI14"></A><h1>About This Book</h1>
<A NAME="TI15"></A><h4>Audience</h4>
<A NAME="TI16"></A><p>This book is for anyone who uses PowerBuilder<ABBR title = "registered trademark" >&#174;</ABBR> to connect
to a database. It assumes that you are familiar with the database
you are using and have installed the server and client software
required to access the data. </p>
<A NAME="TI17"></A><h4>How to use this book</h4>
<A NAME="TI18"></A><p>This book describes how to connect to a database in PowerBuilder by using
a standard or native database interface. It gives procedures for preparing,
defining, establishing, maintaining, and troubleshooting your database
connections. For an overview of the steps you need to take, see <A HREF="connpbp4.htm#BABHHFGD">"Basic connection procedure"</A>.</p>
<A NAME="TI19"></A><h4>Related documents</h4>
<A NAME="TI20"></A><p>For detailed information about supported database interfaces,
DBParm parameters, and database preferences, see the Database Connectivity section
in the online Help. For a complete list of PowerBuilder documentation,
see <i>PowerBuilder Getting Started</i>
.</p>
<A NAME="TI21"></A><h4>Other sources of information</h4>
<A NAME="TI22"></A><p>Use the Sybase&#174; Getting Started CD, the SyBooks CD,
and the Sybase Product Manuals Web site to learn more about your
product: <A NAME="TI23"></A>
<ul>
<li class=fi>The Getting Started CD contains release
bulletins and installation guides in PDF format, and may also contain
other documents or updated information not included on the SyBooks
CD. It is included with your software. To read or print documents
on the Getting Started CD, you need Adobe Acrobat Reader, which
you can download at no charge from the Adobe Web site using a link
provided on the CD.</li>
<li class=ds>The SyBooks CD contains product manuals and is included
with your software. The Eclipse-based SyBooks browser allows you
to access the manuals in an easy-to-use, HTML-based format.<br>
Some documentation may be provided in PDF format, which you
can access through the PDF directory on the SyBooks CD. To read
or print the PDF files, you need Adobe Acrobat Reader.<br><br>
Refer to the <i>SyBooks Installation Guide</i>
 on
the Getting Started CD, or the <i>README.txt</i> file
on the SyBooks CD for instructions on installing and starting SyBooks.<br></li>
<li class=ds>The Sybase Product Manuals Web site is an online
version of the SyBooks CD that you can access using a standard Web
browser. In addition to product manuals, you will find links to
EBFs/Maintenance, Technical Documents, Case Management,
Solved Cases, newsgroups, and the Sybase Developer Network.<br>
To access the Sybase Product Manuals Web site, go to <A HREF="http://www.sybase.com/support/manuals/">Product Manuals</A>
.<br>
</li>
</ul>
</p>
<A NAME="TI24"></A><h4>Conventions</h4>
<A NAME="TI25"></A><p>The formatting conventions used in this manual are:</p>
<A NAME="TI26"></A><table cellspacing=0 cellpadding=6 border=1 frame="void" rules="all"><tr><th  rowspan="1"  ><A NAME="TI27"></A>Formatting example</th>
<th  rowspan="1"  ><A NAME="TI28"></A>Indicates</th>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI29"></A><b>Retrieve</b> and <b>Update</b></td>
<td  rowspan="1"  ><A NAME="TI30"></A>When used in descriptive text, <b>this
font</b> indicates:<A NAME="TI31"></A>
<ul>
<li class=fi>Command, function,
and method names</li>
<li class=ds>Keywords such as <b>true</b>, <b>false</b>,
and <b>null</b>
</li>
</ul>
<A NAME="TI32"></A>
<ul>
<li class=fi>Datatypes such as <b>integer</b> and <b>char</b></li>
<li class=ds>Database column names such as <b>emp_id</b> and <b>f_name</b></li>
<li class=ds>User-defined objects such as <b>dw_emp</b> or <b>w_main</b>
</li>
</ul>

                        </td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI33"></A><i>variable</i> or <i>file
name</i></td>
<td  rowspan="1"  ><A NAME="TI34"></A>When used in descriptive text and syntax descriptions,
oblique font indicates:<A NAME="TI35"></A>
<ul>
<li class=fi>Variables, such as <i>myCounter</i></li>
<li class=ds>Parts of input text that must be substituted, such as <i>pblname</i>.<FONT FACE="Courier New">pbd</FONT></li>
<li class=ds>File and path names
</li>
</ul>
</td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI36"></A>File&gt;Save</td>
<td  rowspan="1"  ><A NAME="TI37"></A>Menu names and menu items are displayed
in plain text. The greater than symbol (&gt;) shows you how to
navigate menu selections. For example, File&gt;Save indicates "select
Save from the File menu."</td>
</tr>
<tr><td  rowspan="1"  ><A NAME="TI38"></A><FONT FACE="Courier New">dw_1.Update()</FONT></td>
<td  rowspan="1"  ><A NAME="TI39"></A>Monospace font indicates:<A NAME="TI40"></A>
<ul>
<li class=fi>Information that you enter in a dialog box or on a command
line</li>
<li class=ds>Sample script fragments</li>
<li class=ds>Sample output fragments
</li>
</ul>
</td>
</tr>
</table>
<A NAME="TI41"></A><h4>If you need help</h4>
<A NAME="TI42"></A><p>Each Sybase installation that has purchased a support contract
has one or more designated people who are authorized to contact
Sybase Technical Support. If you cannot resolve a problem using
the manuals or online help, please have the designated person contact
Sybase Technical Support or the Sybase subsidiary in your area.</p>

